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|
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<hr><h1>font_generator.cpp</h1><a href="font__generator_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00027
00028 <font class="preprocessor">#include <string></font>
00029
00030 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font>
00034
00035 <font class="preprocessor">#include "<a class="code" href="font__generator_8h.html">3d/font_generator.h</a>"</font>
00036
00037 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00038
00039 <font class="preprocessor">#ifndef NL_DONT_USE_EXTERNAL_CODE</font>
00040 <font class="preprocessor"></font>
00041 <font class="preprocessor">#include <freetype/freetype.h></font>
00042
00043 <font class="comment">// for freetype 2.0</font>
00044 <font class="preprocessor">#ifdef FTERRORS_H</font>
00045 <font class="preprocessor"></font><font class="preprocessor">#undef FTERRORS_H</font>
00046 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
00047 <font class="preprocessor"></font>
00048 <font class="comment">// for freetype 2.0.1</font>
00049 <font class="preprocessor">#ifdef __FTERRORS_H__</font>
00050 <font class="preprocessor"></font><font class="preprocessor">#undef __FTERRORS_H__</font>
00051 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
00052 <font class="preprocessor"></font>
<a name="l00053"></a><a class="code" href="font__generator_8cpp.html#a0">00053</a> <font class="preprocessor">#define FT_ERRORDEF( e, v, s ) { e, s },</font>
<a name="l00054"></a><a class="code" href="font__generator_8cpp.html#a1">00054</a> <font class="preprocessor"></font><font class="preprocessor">#define FT_ERROR_START_LIST {</font>
<a name="l00055"></a><a class="code" href="font__generator_8cpp.html#a2">00055</a> <font class="preprocessor"></font><font class="preprocessor">#define FT_ERROR_END_LIST { 0, 0 } };</font>
00056 <font class="preprocessor"></font>
00057 <font class="keyword">const</font> <font class="keyword">struct</font>
00058 <font class="keyword"></font>{
<a name="l00059"></a><a class="code" href="font__generator_8cpp.html#a3">00059</a> <font class="keywordtype">int</font> <a class="code" href="font__generator_8cpp.html#a3">err_code</a>;
<a name="l00060"></a><a class="code" href="font__generator_8cpp.html#a4">00060</a> <font class="keyword">const</font> <font class="keywordtype">char</font>* <a class="code" href="font__generator_8cpp.html#a4">err_msg</a>;
00061 } <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[] =
00062
00063 <font class="preprocessor">#include <freetype/fterrors.h></font>
00064
00065 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00066
00067 <font class="keyword">namespace </font>NL3D {
00068
<a name="l00069"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#r0">00069</a> FT_Library CFontGenerator::_Library;
<a name="l00070"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#r1">00070</a> <font class="keywordtype">bool</font> CFontGenerator::_LibraryInit = <font class="keyword">false</font>;
00071
00072
<a name="l00073"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#c0">00073</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *CFontGenerator::getFT2Error(FT_Error fte)
00074 {
00075 NL_ALLOC_CONTEXT (FreeTyp);
00076
00077 <font class="keyword">static</font> <font class="keywordtype">char</font> ukn[1024];
00078
00079 <font class="keywordflow">for</font> (uint32 i = 0; <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_code != 0 || <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_msg != 0; i++)
00080 {
00081 <font class="keywordflow">if</font> (<a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_code == fte)
00082 <font class="keywordflow">return</font> <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_msg;
00083 }
00084 <a class="code" href="namespaceNLMISC.html#a211">smprintf</a> (ukn, 1024, <font class="stringliteral">"Unknown freetype2 error, errcode: 0x%x"</font>, fte);
00085 <font class="keywordflow">return</font> ukn;
00086 }
00087
00088
00089
00090 <font class="comment">/*</font>
00091 <font class="comment"> * Constructor</font>
00092 <font class="comment"> */</font>
<a name="l00093"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a0">00093</a> CFontGenerator::CFontGenerator (<font class="keyword">const</font> std::string &fontFileName, <font class="keyword">const</font> std::string &fontExFileName)
00094 {
00095 NL_ALLOC_CONTEXT (FreeTyp);
00096
00097 FT_Error error;
00098
00099 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CFontGenerator.html#r1">_LibraryInit</a>)
00100 {
00101 error = FT_Init_FreeType (&<a class="code" href="classNL3D_1_1CFontGenerator.html#r0">_Library</a>);
00102 <font class="keywordflow">if</font> (error)
00103 {
00104 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Init_FreeType() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00105 }
00106 <a class="code" href="classNL3D_1_1CFontGenerator.html#r1">_LibraryInit</a> = <font class="keyword">true</font>;
00107 }
00108
00109 error = FT_New_Face (<a class="code" href="classNL3D_1_1CFontGenerator.html#r0">_Library</a>, fontFileName.c_str (), 0, &<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>);
00110 <font class="keywordflow">if</font> (error)
00111 {
00112 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_New_Face() failed with file '%s': %s"</font>, fontFileName.c_str(), <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00113 }
00114
00115 string fontEx = fontExFileName;
00116 <font class="keywordflow">if</font> (fontEx == <font class="stringliteral">""</font>)
00117 {
00118 <font class="comment">// try to see if the ex filename exists based on the fontExFileName</font>
00119 fontEx = CPath::lookup(CFile::getFilenameWithoutExtension (fontFileName)+<font class="stringliteral">".afm"</font>, <font class="keyword">false</font>, <font class="keyword">false</font>);
00120 }
00121
00122 <font class="keywordflow">if</font> (fontEx != <font class="stringliteral">""</font>)
00123 {
00124 error = FT_Attach_File (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, fontEx.c_str ());
00125 <font class="keywordflow">if</font> (error)
00126 {
00127 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"FT_Attach_File() failed with file '%s': %s"</font>, fontEx.c_str(), <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00128 }
00129 }
00130
00131 error = FT_Select_Charmap (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, ft_encoding_unicode);
00132 <font class="keywordflow">if</font> (error)
00133 {
00134 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Select_Charmap() failed with file '%s': %s"</font>, fontFileName.c_str(), <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00135 }
00136 }
00137
<a name="l00138"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a1">00138</a> CFontGenerator::~CFontGenerator ()
00139 {
00140 }
00141
<a name="l00142"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a3">00142</a> <font class="keywordtype">void</font> CFontGenerator::getSizes (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
00143 {
00144 NL_ALLOC_CONTEXT (FreeTyp);
00145
00146 FT_Error error;
00147
00148 error = FT_Set_Pixel_Sizes (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, size, size);
00149 <font class="keywordflow">if</font> (error)
00150 {
00151 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Set_Pixel_Sizes() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00152 }
00153
00154 <font class="comment">// retrieve glyph index from character code</font>
00155 FT_UInt glyph_index = FT_Get_Char_Index (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, c);
00156
00157 <font class="comment">// load glyph image into the slot (erase previous one)</font>
00158 error = FT_Load_Glyph (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, glyph_index, FT_LOAD_DEFAULT);
00159 <font class="keywordflow">if</font> (error)
00160 {
00161 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Load_Glyph() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00162 }
00163
00164 <font class="comment">// convert 24.6 fixed point into integer</font>
00165 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>->glyph->metrics.width >> 6;
00166 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>->glyph->metrics.height >> 6;
00167 }
00168
<a name="l00169"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a2">00169</a> uint8 *CFontGenerator::getBitmap (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, uint32 &pitch, sint32 &left, sint32 &top, sint32 &advx, uint32 &glyphIndex)
00170 {
00171 NL_ALLOC_CONTEXT (FreeTyp);
00172
00173 FT_Error error;
00174
00175 error = FT_Set_Pixel_Sizes (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, size, size);
00176 <font class="keywordflow">if</font> (error)
00177 {
00178 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Set_Pixel_Sizes() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00179 }
00180
00181 <font class="comment">// retrieve glyph index from character code</font>
00182 FT_UInt glyph_index = FT_Get_Char_Index (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, c);
00183
00184 <font class="comment">// load glyph image into the slot (erase previous one)</font>
00185 error = FT_Load_Glyph (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, glyph_index, FT_LOAD_DEFAULT);
00186 <font class="keywordflow">if</font> (error)
00187 {
00188 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Load_Glyph() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00189 }
00190
00191 <font class="keywordflow">if</font> (size == 0)
00192 {
00193 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = 0;
00194 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = 0;
00195 pitch = 0;
00196 left = 0;
00197 top = 0;
00198 advx = 0;
00199 glyphIndex = glyph_index;
00200 <font class="keywordflow">return</font> NULL;
00201 }
00202
00203 <font class="comment">// convert to an anti-aliased bitmap</font>
00204 error = FT_Render_Glyph (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>->glyph, ft_render_mode_normal);
00205 <font class="keywordflow">if</font> (error)
00206 {
00207 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Render_Glyph() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00208 }
00209
00210 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>->glyph->bitmap.width;
00211 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>->glyph->bitmap.rows;
00212 pitch = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>->glyph->bitmap.pitch;
00213
00214 left = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>->glyph->bitmap_left;
00215 top = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>->glyph->bitmap_top;
00216
00217 advx = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>->glyph->advance.x >> 6;
00218
00219 glyphIndex = glyph_index;
00220
00221 <font class="keywordflow">return</font> (uint8 *) <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>->glyph->bitmap.buffer;
00222 }
00223
00224
00225
<a name="l00226"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a4">00226</a> <font class="keywordtype">void</font> CFontGenerator::getKerning (<a class="code" href="types__nl_8h.html#a15">ucchar</a> left, <a class="code" href="types__nl_8h.html#a15">ucchar</a> right, sint32 &kernx)
00227 {
00228 NL_ALLOC_CONTEXT (FreeTyp);
00229
00230 <font class="keywordflow">if</font> (!FT_HAS_KERNING(<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>))
00231 {
00232 kernx = 0;
00233 }
00234 <font class="keywordflow">else</font>
00235 {
00236 FT_Vector kerning;
00237 FT_Error error = FT_Get_Kerning (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, left, right, ft_kerning_default, &kerning);
00238 <font class="keywordflow">if</font> (error)
00239 {
00240 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Get_Kerning() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00241 }
00242 kernx = kerning.x;
00243 }
00244 }
00245
00246
00247
<a name="l00248"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a5">00248</a> uint32 CFontGenerator::getCharIndex (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c)
00249 {
00250 NL_ALLOC_CONTEXT (FreeTyp);
00251
00252 <font class="keywordflow">return</font> FT_Get_Char_Index (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, c);
00253 }
00254
00255 } <font class="comment">// NL3D</font>
00256
00257 <font class="preprocessor">#else // NL_DONT_USE_EXTERNAL_CODE</font>
00258 <font class="preprocessor"></font>
00259 <font class="preprocessor">#include <windows.h></font>
00260
00261 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00262
00263 <font class="keyword">namespace </font>NL3D {
00264
00265 HBITMAP Dib;
00266 uint32 *Buffer;
00267 HDC hdcDib;
00268 <font class="keywordtype">int</font> Width = 100;
00269 <font class="keywordtype">int</font> Height = 100;
00270
00271 <font class="comment">/*</font>
00272 <font class="comment"> * Constructor</font>
00273 <font class="comment"> */</font>
00274 CFontGenerator::CFontGenerator (<font class="keyword">const</font> std::string &fontFileName, <font class="keyword">const</font> std::string &fontExFileName)
00275 {
00276
00277 <font class="comment">// HWND win=(HWND)winHack;</font>
00278 <font class="comment">// WindowHandle = win;</font>
00279 <font class="comment">// Format = format;</font>
00280 <font class="comment">// RECT rect;</font>
00281 <font class="comment">// BOOL ret = GetClientRect( WindowHandle, &rect);</font>
00282 <font class="comment">// assert (ret);</font>
00283
00284 <font class="comment">// uint f = AddFontResource ("");</font>
00285 <font class="comment">// nlassert (f);</font>
00286
00287 BITMAPINFO info;
00288 info.bmiHeader.biWidth = Width;
00289 info.bmiHeader.biHeight= -Height;
00290 info.bmiHeader.biSize = <font class="keyword">sizeof</font> (BITMAPINFOHEADER);
00291 info.bmiHeader.biPlanes = 1;
00292 info.bmiHeader.biBitCount = 32;
00293 info.bmiHeader.biCompression = BI_RGB;
00294 info.bmiHeader.biSizeImage = 4*Width*Height;
00295 info.bmiHeader.biXPelsPerMeter = 1;
00296 info.bmiHeader.biYPelsPerMeter = 1;
00297 info.bmiHeader.biClrUsed = 0;
00298 info.bmiHeader.biClrImportant = 0;
00299
00300 HDC hdc = GetDC (NULL);
00301 <a class="code" href="debug_8h.html#a6">nlassert</a> (hdc);
00302 Dib = CreateDIBSection (hdc, &info, DIB_RGB_COLORS, (<font class="keywordtype">void</font>**)&Buffer, NULL, NULL);
00303
00304 hdcDib = CreateCompatibleDC (hdc);
00305 <a class="code" href="debug_8h.html#a6">nlassert</a> (hdcDib);
00306
00307
00308 ReleaseDC (NULL, hdc);
00309
00310 SetTextAlign (hdcDib, TA_TOP | TA_LEFT | TA_NOUPDATECP);
00311 SetBkColor (hdcDib, RGB (0,0,0));
00312 SetTextColor (hdcDib, RGB (255, 255, 255));
00313
00314 <font class="comment">/*FT_Error error;</font>
00315 <font class="comment"></font>
00316 <font class="comment"> if (!_LibraryInit)</font>
00317 <font class="comment"> {</font>
00318 <font class="comment"> error = FT_Init_FreeType (&_Library);</font>
00319 <font class="comment"> if (error)</font>
00320 <font class="comment"> {</font>
00321 <font class="comment"> nlerror ("FT_Init_FreeType() failed: %s", getFT2Error(error));</font>
00322 <font class="comment"> }</font>
00323 <font class="comment"> _LibraryInit = true;</font>
00324 <font class="comment"> }</font>
00325 <font class="comment"></font>
00326 <font class="comment"> error = FT_New_Face (_Library, fontFileName.c_str (), 0, &_Face);</font>
00327 <font class="comment"> if (error)</font>
00328 <font class="comment"> {</font>
00329 <font class="comment"> nlerror ("FT_New_Face() failed with file '%s': %s", fontFileName.c_str(), getFT2Error(error));</font>
00330 <font class="comment"> }</font>
00331 <font class="comment"></font>
00332 <font class="comment"> if (fontExFileName != "")</font>
00333 <font class="comment"> {</font>
00334 <font class="comment"> error = FT_Attach_File (_Face, fontExFileName.c_str ());</font>
00335 <font class="comment"> if (error)</font>
00336 <font class="comment"> {</font>
00337 <font class="comment"> nlwarning ("FT_Attach_File() failed with file '%s': %s", fontExFileName.c_str(), getFT2Error(error));</font>
00338 <font class="comment"> }</font>
00339 <font class="comment"> }*/</font>
00340 }
00341
00342 CFontGenerator::~CFontGenerator ()
00343 {
00344 DeleteObject (Dib);
00345
00346 DeleteDC (hdcDib);
00347 }
00348
00349 <font class="keywordtype">void</font> CFontGenerator::getSizes (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
00350 {
00351 <font class="comment">/* FT_Error error;</font>
00352 <font class="comment"></font>
00353 <font class="comment"> error = FT_Set_Pixel_Sizes (_Face, size, size);</font>
00354 <font class="comment"> if (error)</font>
00355 <font class="comment"> {</font>
00356 <font class="comment"> nlerror ("FT_Set_Pixel_Sizes() failed: %s", getFT2Error(error));</font>
00357 <font class="comment"> }</font>
00358 <font class="comment"></font>
00359 <font class="comment"> // retrieve glyph index from character code</font>
00360 <font class="comment"> FT_UInt glyph_index = FT_Get_Char_Index (_Face, c);</font>
00361 <font class="comment"></font>
00362 <font class="comment"> // load glyph image into the slot (erase previous one)</font>
00363 <font class="comment"> error = FT_Load_Glyph (_Face, glyph_index, FT_LOAD_DEFAULT);</font>
00364 <font class="comment"> if (error)</font>
00365 <font class="comment"> {</font>
00366 <font class="comment"> nlerror ("FT_Load_Glyph() failed: %s", getFT2Error(error));</font>
00367 <font class="comment"> }</font>
00368 <font class="comment"></font>
00369 <font class="comment"> // convert 24.6 fixed point into integer</font>
00370 <font class="comment"> width = _Face->glyph->metrics.width >> 6;</font>
00371 <font class="comment"> height = _Face->glyph->metrics.height >> 6;</font>
00372 <font class="comment"> */</font>
00373 }
00374
00375 HFONT hFont = NULL;
00376 uint32 CurrentFontSize = 0;
00377
00378 uint8 *CFontGenerator::getBitmap (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, uint32 &pitch, sint32 &left, sint32 &top, sint32 &advx, uint32 &glyphIndex)
00379 {
00380 <font class="comment">/* FT_Error error;</font>
00381 <font class="comment"></font>
00382 <font class="comment"> error = FT_Set_Pixel_Sizes (_Face, size, size);</font>
00383 <font class="comment"> if (error)</font>
00384 <font class="comment"> {</font>
00385 <font class="comment"> nlerror ("FT_Set_Pixel_Sizes() failed: %s", getFT2Error(error));</font>
00386 <font class="comment"> }</font>
00387 <font class="comment"></font>
00388 <font class="comment"> // retrieve glyph index from character code</font>
00389 <font class="comment"> FT_UInt glyph_index = FT_Get_Char_Index (_Face, c);</font>
00390 <font class="comment"></font>
00391 <font class="comment"> // load glyph image into the slot (erase previous one)</font>
00392 <font class="comment"> error = FT_Load_Glyph (_Face, glyph_index, FT_LOAD_DEFAULT);</font>
00393 <font class="comment"> if (error)</font>
00394 <font class="comment"> {</font>
00395 <font class="comment"> nlerror ("FT_Load_Glyph() failed: %s", getFT2Error(error));</font>
00396 <font class="comment"> }</font>
00397 <font class="comment"></font>
00398 <font class="comment"> if (size == 0)</font>
00399 <font class="comment"> {</font>
00400 <font class="comment"> width = 0;</font>
00401 <font class="comment"> height = 0;</font>
00402 <font class="comment"> pitch = 0;</font>
00403 <font class="comment"> left = 0;</font>
00404 <font class="comment"> top = 0;</font>
00405 <font class="comment"> advx = 0;</font>
00406 <font class="comment"> glyphIndex = glyph_index;</font>
00407 <font class="comment"> return NULL;</font>
00408 <font class="comment"> }</font>
00409 <font class="comment"></font>
00410 <font class="comment"> // convert to an anti-aliased bitmap</font>
00411 <font class="comment"> error = FT_Render_Glyph (_Face->glyph, ft_render_mode_normal);</font>
00412 <font class="comment"> if (error)</font>
00413 <font class="comment"> {</font>
00414 <font class="comment"> nlerror ("FT_Render_Glyph() failed: %s", getFT2Error(error));</font>
00415 <font class="comment"> }</font>
00416 <font class="comment"></font>
00417 <font class="comment"> width = _Face->glyph->bitmap.width;</font>
00418 <font class="comment"> height = _Face->glyph->bitmap.rows;</font>
00419 <font class="comment"> pitch = _Face->glyph->bitmap.pitch;</font>
00420 <font class="comment"></font>
00421 <font class="comment"> left = _Face->glyph->bitmap_left;</font>
00422 <font class="comment"> top = _Face->glyph->bitmap_top;</font>
00423 <font class="comment"></font>
00424 <font class="comment"> advx = _Face->glyph->advance.x >> 6;</font>
00425 <font class="comment"></font>
00426 <font class="comment"> glyphIndex = glyph_index;</font>
00427 <font class="comment"></font>
00428 <font class="comment"> return (uint8 *) _Face->glyph->bitmap.buffer;</font>
00429 <font class="comment">*/</font>
00430
00431 <font class="keywordflow">if</font> (size == 0)
00432 {
00433 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = 0;
00434 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = 0;
00435 pitch = 0;
00436 left = 0;
00437 top = 0;
00438 advx = 0;
00439 glyphIndex = 0;
00440 <font class="keywordflow">return</font> NULL;
00441 }
00442
00443 <font class="comment">// Create the font</font>
00444 <font class="keywordflow">if</font> (hFont == NULL || CurrentFontSize != size)
00445 {
00446 <font class="keywordflow">if</font> (hFont != NULL)
00447 {
00448 DeleteObject (hFont);
00449 }
00450
00451 hFont=CreateFont
00452 (
00453 size, <font class="comment">// logical height of font</font>
00454 0, <font class="comment">// logical average character width</font>
00455 0, <font class="comment">// angle of escapement</font>
00456 0, <font class="comment">// base-line orientation angle</font>
00457 FW_DONTCARE, <font class="comment">//FW_NORMAL, // font weight</font>
00458 FALSE, <font class="comment">// italic attribute flag</font>
00459 FALSE, <font class="comment">// underline attribute flag</font>
00460 FALSE, <font class="comment">// strikeout attribute flag</font>
00461 DEFAULT_CHARSET, <font class="comment">// character set identifier</font>
00462 OUT_DEVICE_PRECIS, <font class="comment">// output precision</font>
00463 CLIP_DEFAULT_PRECIS, <font class="comment">// clipping precision</font>
00464 DEFAULT_QUALITY, <font class="comment">// output quality</font>
00465 DEFAULT_PITCH|FF_DONTCARE, <font class="comment">// pitch and family</font>
00466 <font class="stringliteral">"Arial Unicode MS Normal"</font> <font class="comment">// pointer to typeface name string</font>
00467 );
00468 <a class="code" href="debug_8h.html#a6">nlassert</a> (hFont);
00469
00470 CurrentFontSize = size;
00471 }
00472
00473 SelectObject (hdcDib, hFont);
00474 SelectObject (hdcDib, Dib);
00475
00476 <font class="keyword">const</font> <font class="keywordtype">char</font> cc = (char) c;
00477
00478 RECT rect;
00479 rect.bottom = Height;
00480 rect.top = 0;
00481 rect.left = 0;
00482 rect.right = Width;
00483
00484 <font class="keywordtype">int</font> <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> = DrawText (hdcDib, &cc, 1, &rect, DT_LEFT | DT_TOP);
00485
00486 POINT point;
00487 point.y = <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>;
00488
00489 <font class="keywordtype">int</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>;
00490 BOOL rey = GetCharWidth32 (hdcDib, (uint8) cc, (uint8) cc, &<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00491 <a class="code" href="debug_8h.html#a6">nlassert</a> (rey);
00492 point.x = <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
00493
00494 <font class="comment">// ABC abc;</font>
00495 <font class="comment">// BOOL rey = GetCharABCWidths (hdcDib, (uint8) cc, (uint8) cc, &abc);</font>
00496 <font class="comment">// nlassert (rey);</font>
00497 <font class="comment">// point.x = abc.abcA;</font>
00498
00499 SIZE <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>;
00500 GetTextExtentPoint32 (hdcDib, &cc, 1, &<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>);
00501
00502 BOOL ret = LPtoDP (hdcDib, &point, 1);
00503 <a class="code" href="debug_8h.html#a6">nlassert</a> (ret);
00504
00505 <font class="keyword">static</font> uint8 buf[100*100];
00506
00507 sint32 _top = 0, _left = point.x;
00508 sint32 right = 0, bottom = point.y;
00509 <font class="keywordtype">bool</font> emptyLine;
00510 <font class="keywordflow">for</font> (sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> = 0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> < point.y; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00511 {
00512 emptyLine = <font class="keyword">true</font>;
00513 <font class="keywordflow">for</font> (sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> = 0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> < point.x; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00514 {
00515 buf[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*100+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>] = (uint8) Buffer[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*100+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>];
00516 <font class="keywordflow">if</font> (buf[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*100+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>])
00517 {
00518 emptyLine = <font class="keyword">false</font>;
00519 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> < _left)
00520 _left = <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00521 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> > right)
00522 right = <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00523 }
00524
00525 <font class="comment">// printf (buf[y*100+x]?"*":".");</font>
00526 }
00527 <font class="keywordflow">if</font> (!emptyLine)
00528 {
00529 <font class="keywordflow">if</font> (_top == 0)
00530 _top = <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00531
00532 bottom = <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00533 }
00534
00535 <font class="comment">// printf ("\n");</font>
00536 }
00537 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = right - _left + 1;
00538 <font class="keywordflow">if</font> (right - _left + 1 < 0) <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = 0;
00539 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = bottom - _top + 1;
00540 <font class="keywordflow">if</font> (bottom - _top + 1 < 0) <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = 0;
00541 pitch = 100;
00542 advx = point.x;
00543
00544 WORD ag = 0;
00545 <font class="comment">/*uint t = GetGlyphIndices (hdcDib, &cc, 1, &ag, 0);</font>
00546 <font class="comment"> if (t == GDI_ERROR)</font>
00547 <font class="comment"> {</font>
00548 <font class="comment"> nlstop;</font>
00549 <font class="comment"> }</font>
00550 <font class="comment">*/</font>
00551 glyphIndex = ag;
00552
00553 top = -_top;
00554 left = -_left;
00555
00556 <font class="comment">/* {</font>
00557 <font class="comment"> for (sint y = _top; y < _top + height; y++)</font>
00558 <font class="comment"> {</font>
00559 <font class="comment"> for (sint x = _left; x < _left + width; x++)</font>
00560 <font class="comment"> {</font>
00561 <font class="comment"> printf (buf[y*100+x]?"*":".");</font>
00562 <font class="comment"> }</font>
00563 <font class="comment"> printf ("\n");</font>
00564 <font class="comment"> }</font>
00565 <font class="comment"> printf ("w: %d h: %d s: %d a: %d l: %d t: %d", width, height, size, advx, left, top);</font>
00566 <font class="comment"> getchar();</font>
00567 <font class="comment"> }</font>
00568 <font class="comment">*/</font>
00569 _top = _left = top = left = 0;
00570 top = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.cy;
00571 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.cx;
00572 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.cy;
00573
00574 <font class="keywordflow">return</font> buf + _top * 100 + _left;
00575 }
00576
00577
00578
00579
00580 <font class="keywordtype">void</font> CFontGenerator::getKerning (<a class="code" href="types__nl_8h.html#a15">ucchar</a> left, <a class="code" href="types__nl_8h.html#a15">ucchar</a> right, sint32 &kernx)
00581 {
00582 <font class="comment">/* if (!FT_HAS_KERNING(_Face))</font>
00583 <font class="comment"> {</font>
00584 <font class="comment"> kernx = 0;</font>
00585 <font class="comment"> }</font>
00586 <font class="comment"> else</font>
00587 <font class="comment"> {</font>
00588 <font class="comment"> FT_Vector kerning;</font>
00589 <font class="comment"> FT_Error error = FT_Get_Kerning (_Face, left, right, ft_kerning_default, &kerning);</font>
00590 <font class="comment"> if (error)</font>
00591 <font class="comment"> {</font>
00592 <font class="comment"> nlerror ("FT_Get_Kerning() failed: %s", getFT2Error(error));</font>
00593 <font class="comment"> }</font>
00594 <font class="comment"> kernx = kerning.x;</font>
00595 <font class="comment"> }*/</font>
00596 }
00597
00598
00599
00600 uint32 CFontGenerator::getCharIndex (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c)
00601 {
00602 <font class="comment">// return FT_Get_Char_Index (_Face, c);</font>
00603 <font class="keywordflow">return</font> 0;
00604 }
00605
00606
00607 } <font class="comment">// NL3D</font>
00608
00609 <font class="preprocessor">#endif // NL_DONT_USE_EXTERNAL_CODE</font>
00610 <font class="preprocessor"></font>
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